1AUV:
reference: Synapsin I is structurally similar to ATP-utilizing enzymes., Esser L, Wang CR, Hosaka M, Smagula CS, Sudhof TC, Deisenhofer J, EMBO J 1998 Feb 16;17(4):977-84. PMID: 9463376

This OCA Structure page
uses Jmol, developed by the Jmol Development Team (documentation).